About: http://webisa.webdatacommons.org/112374615

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	of the sample used in the study, especially in each country, is an issue.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net